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Two new toxic yellow Inocybe species from China: morphological characteristics, phylogenetic analyses and toxin detection

by: Li, Sai Nan; Xu, Fei; Jiang, Ming; Liu, Feng; Wu, Fang; Zhang, Ping; Fan, Yu Guang; Chen, Zuo Hong

Publication date: 2021-8-3
Usage: Attribution 4.0 International
Topics: Inocybaceae, muscarine, taxonomy
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 81
Item Size: 21.2M

Abstract: Some species of Inocybes. str. caused neurotoxic poisoning after consumption around the world. However, there are a large number of species in this genus that have not been studied for their toxicity or toxin content. In this study, we report two new toxic yellow Inocybes. str. species from China based on morphological characteristics, phylogenetic analyses and toxin detection. Among the two species, Inocybe squarrosolutea is reported as a newly recorded species of China. We also describe a new species, I. squarrosofulva, which is morphologically similar to I. squarrosolutea. The new species is characterized by its ochraceous squarrose pileus, distinctly annulate cortina on the stipe, nodulose basidiospores and thick-walled pleurocystidia. Muscarine in the fruitbodies was detected by UPLC–MS/MS, the content in I. squarrosolutea and I. squarrosofulva were 136.4 ± 25.4 to 1683.0 ± 313 mg/kg dry weight and 31.2 ± 5.8 to 101.8 ± 18.9 mg/kg dry weight, respectively.
Addeddate: 2025-04-28 23:30:13
Bhl_virtual_titleid: 210915
Bhl_virtual_volume: v.81 (2021)
Call number: 10_3897_mycokeys_81_68485
Call-number: 10_3897_mycokeys_81_68485
Foldoutcount: 0
Genre: article
Identifier: twonewtoxicyell81lisa
Identifier-ark: ark:/13960/s206dpxfp9p
Identifier-bib: 10_3897_mycokeys_81_68485
Identifier-doi: 10.3897/mycokeys.81.68485
Ocr: tesseract 5.3.0-6-g76ae
Ocr_detected_lang: en
Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
Ocr_detected_script_conf: 1.0000
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Ocr_parameters: -l eng
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Page_number_module_version: 1.0.5
Page_range: 185-204
Pages: 20
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: MycoKeys 81
Year: 2021